AD 78-25-09

final rule
Data completeness: 70%

Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes

AD Number
78-25-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-10-10 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes
aircraft The Boeing Company DC-10-10F Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes
aircraft The Boeing Company DC-10-30 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes
aircraft The Boeing Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes
aircraft The Boeing Company DC-10-40 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes

Unsafe Condition

The seatback tray table retention clip can rotate to a position that prevents automatic deployment of oxygen masks during depressurization.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Modify the Universal Oil Products Company Model 900-400-C3C seats through Serial No. 3860 in accordance with Service Bulletin No. 25-494. Equivalent modifications may be used if approved by the Chief, Aircraft Engineering Division, FAA, Western Region.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 30 days after the effective date of this AD, unless already accomplished

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 airplanes with Universal Oil Products Company Model 900-400-C3C seats through Serial No. 3860 installed

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

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